Hissing radiator
Posted by Daniel on January 14, 2004 at 11:32:56:
I have a hissing steam radiator that makes such a loud noise that it wakes me up at night. I try shutting the radiator off using the shutoff valve but this doesn't alleviate the problem. Also, there is a lot of water leakage from the air valve. It is a one-pipe system. What can I do to eliminate the loud hissing and the leakage? Should the air valve be screwed all the way in or only halfway? My air valve is of a conical shape. Which direction should the pointy tip face?

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